A sample of an unknown element was burned and emitted light with a frequency of 1311 THz. What is the identity of the element in the sample? Use the following information:

Element      Characteristic Wavelength (nm)
Al                 396.152
As                189.042
Ca                422.673
Cd               228.802
Cr                267.716
Cu               324.754
Fe                259.652
Hg               253.652